Refactoring controller dependency injection mechanism, DataSet module working now
Refactoring controller dependency injection mechanism
Tests pass again
Fixing initialization
Removing some noise
Upgrading URL layout

Changing the path from /organizations/:orgId/ to /admin, and from /organizations/:orgId/api to /api. Old paths are redirected permanently to the new ones.
Removing useless class
Cleaning up

Cleaning up, documenting, and removing warnings
Merge pull request #911 from delving/13.06-simplify

Cleaning up, simplifying, refactoring, documenting